July 2, 2010
Tagged as: magnolia scale, leafminers on maple, Phyllosticta leaf spot, measles on peony, pine needle rust on goldenrod, rust on mayapple, Black Knot, Common persimmon (Diospyros virginiana), Daldinia concentrica
Woody of the Week: Common persimmon (Diospyros virginiana)
Fungus of the Week: Daldinia concentrica
Article: Mycological common namest 0
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- Black Knot of Ornamental Cherry and Plum 10%
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Black knot is a serious disease of plum and cherry trees (Prunus species) throughout the United States. Black knot is a disease that gets progressively worse each year unless controlled, and it will eventually stunt or kill the tree. It is...


